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Aleks [24]
3 years ago
9

Ok i need a real math expert to help me with 1,2,or3 questions consider it a challenge diet one to answer gets thanked and is ma

rked brainliest

Mathematics
1 answer:
Ber [7]3 years ago
8 0

Step-by-step explanation:

(picture explains)

Hope this helps!

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A skier is trying to decide whether or not to buy a season ski pass. A daily pass costs $65. A season pass costs $400. The skier
Vlad [161]
Let x be the number of days.

Daily pass:
65x + 30x
95x

Season pass:
400 + 30x

95x > 400 + 30x
65x > 400
x > 6.15

The number of days can't be 6.15, so you must round. You can't go down because then the price will be more expensive, so you have to round up.

It would take 7 days until the season pass is less expensive than the daily pass.
----------------------
You can check this by plugging in the x.

95x > 400 + 30x
95(7) > 400 + 30(7)
665 > 400 + 210
665 > 600
The daily pass is more expensive than the season pass.
3 0
3 years ago
A, B, and C are the vertices of one triangle. D, E, and F are the vertices of another triangle. m∠A = 50, m∠B = 10, m∠E = 40, m∠
adell [148]
The fourth one seems like its the right one 
3 0
3 years ago
If a set of sample measurements has a mean of 100, a normal distribution, a standard deviation of 2, and control limits of 94 an
weeeeeb [17]

Answer: 99.73%

Step-by-step explanation:

Given : Mean : \mu=100

Standard deviation : \sigma=2

Let X be the random variable that represents the data values.

Formula for Z-score :  z=\dfrac{X-\mu}{\sigma}

For x=94, we have

z=\dfrac{94-100}{2}=-3

For x=106, we have

z=\dfrac{106-100}{2}=3

The probability that the samples are between 94 and 106:-

P(-3

Hence, the percent of the samples are expected to be between 94 and 106 = 99.73%

6 0
3 years ago
Evaluate quantity the square root of 36 times 3 squared minus the cube root of negative 64 end quantity divided by 2 squared.
abruzzese [7]

\cfrac{\sqrt{36}\cdot 3^2-\sqrt[3]{-64}}{2^2}\implies \cfrac{\sqrt{6^2}\cdot 3^2-\sqrt[3]{(-4)^3}}{2^2}\implies \cfrac{6\cdot 3^2-(-4)}{2^2} \\\\\\ \cfrac{6\cdot 9-(-4)}{4}\implies \cfrac{54-(-4)}{4}\implies \cfrac{54+4}{4}\implies \cfrac{58}{4}

notice, PEMDAS

groups first, then Exponents, then Multiplication and Division from left-to-right, then Addition and Subtraction from left-to-right last.

4 0
1 year ago
Read 2 more answers
Given: measure 1, measure 2, measure 3, and measure 4 formed by two intersecting segments Prove: measure 1 and measure 3 are con
lesantik [10]

Step-by-step explanation:

<h3><u>Note</u>: </h3>

The text below that are formatted in bold and underlined font are the solutions to the missing boxes in your given problem.  

<h3><u>Explanation:</u></h3>

Given that ∠1, ∠2, ∠3, and ∠4 are formed by two intersecting segments, and that:

∠1 and  ∠2 form a linear pair  

∠2 and ∠3 form a linear pair  

These linear pair relationships suggest that by the Linear Pair Postulate:

<u>∠1 and ∠2 are supplementary</u>.    ⇒  Linear Pair Postulate

<u>∠2 and ∠3 are supplementary</u>.    ⇒  Linear Pair Postulate

m∠2 + m∠ 3 = 180°  ⇒  <u>Definition of supplementary angles</u>.

<u>m∠1 + m∠3  = m∠2 + m∠ 3</u>  ⇒  Substitution Property of Equality.          

m∠1  =  m∠3   ⇒  <u>Subtraction Property of Equality</u>.  

4 0
3 years ago
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